AirHint found the following cheapest return flights from London (LHR) to Sarajevo (SJJ) in September 2025 (see full year).

Return flights

24 Sep - 29 Sep	Vueling Airlines
30 Sep - 07 Oct	SWISS
30 Sep - 04 Oct	SWISS
27 Sep - 04 Oct	SWISS
28 Sep - 06 Oct	Austrian Airlines
28 Sep - 04 Oct	Austrian Airlines
28 Sep - 02 Oct	Austrian Airlines
28 Sep - 03 Oct	Austrian Airlines
29 Sep - 04 Oct	Austrian Airlines
30 Sep - 05 Oct	SWISS
28 Sep - 05 Oct	Austrian Airlines
27 Sep - 30 Sep	Austrian Airlines
27 Sep - 29 Sep	Lufthansa
23 Sep - 30 Sep	SWISS
25 Sep - 30 Sep	SWISS
22 Sep - 30 Sep	SWISS
24 Sep - 30 Sep	SWISS
26 Sep - 29 Sep	SWISS
23 Sep - 29 Sep	SWISS
24 Sep - 27 Sep	SWISS

Also check the deals for one-way flights from London to Sarajevo in September.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from London to Sarajevo in September from $245

Return flights